MOA 2022-BLG-458

Event Parameters

Internal ID:gb12-R-1-123241
Discovery date:2022-08-23T17:24:43
RA:18:03:10.09
Dec:-30:15:16.75
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
77731 18:03:09.84 -30:15:17.67 18.95 ± 0.34 4.28
77745 18:03:09.91 -30:15:14.64 17.17 ± 0.10 3.52
77769 18:03:10.04 -30:15:13.69 17.37 ± 0.07 2.94

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 99.99 ± 99.99 5.03
2460245.869 (2023-Oct-28.369) 19.04 ± 1.01 4.35
2460245.912 (2023-Oct-28.412) 19.60 ± 2.08 4.30
2460246.868 (2023-Oct-29.368) 19.47 ± 1.18 4.46
2460246.916 (2023-Oct-29.416) 20.34 ± 3.54 4.20

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459815.93 ± 0.10 UT (2022-Aug-24.43)
tE =1.04 ± 0.06 days
u0 =9.3778 ± 0.3202
Ibase =7.64 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice